268 struct perf_event;
342 	int (*event_init)		(struct perf_event *event);
348 	void (*event_mapped)		(struct perf_event *event, struct mm_struct *mm); /* optional */
349 	void (*event_unmapped)		(struct perf_event *event, struct mm_struct *mm); /* optional */
377 	int  (*add)			(struct perf_event *event, int flags);
378 	void (*del)			(struct perf_event *event, int flags);
398 	void (*start)			(struct perf_event *event, int flags);
399 	void (*stop)			(struct perf_event *event, int flags);
407 	void (*read)			(struct perf_event *event);
441 	int (*event_idx)		(struct perf_event *event); /*optional */
467 	void *(*setup_aux)		(struct perf_event *event, void **pages,
485 	long (*snapshot_aux)		(struct perf_event *event,
511 	void (*addr_filters_sync)	(struct perf_event *event);
521 	int (*aux_output_match)		(struct perf_event *event);
527 	int (*filter_match)		(struct perf_event *event); /* optional */
532 	int (*check_period)		(struct perf_event *event, u64 value); /* optional */
595 typedef void (*perf_overflow_handler_t)(struct perf_event *,
661 struct perf_event {  struct
697 	struct perf_event		*group_leader;  argument
737 	struct perf_event		*parent;  argument
777 	struct perf_event		*aux_event;  argument
779 	void (*destroy)(struct perf_event *);  argument
927 	struct perf_event		**heap;
928 	struct perf_event		*heap_default[2];
932 	struct perf_event		*event;
947 	struct perf_event *event;
986 				   struct perf_event *event);
993 extern void perf_event_itrace_started(struct perf_event *event);
1007 extern const struct perf_event *perf_get_event(struct file *file);
1008 extern const struct perf_event_attr *perf_event_attrs(struct perf_event *event);
1019 extern int perf_event_refresh(struct perf_event *event, int refresh);
1020 extern void perf_event_update_userpage(struct perf_event *event);
1021 extern int perf_event_release_kernel(struct perf_event *event);
1022 extern struct perf_event *
1030 int perf_event_read_local(struct perf_event *event, u64 *value,
1032 extern u64 perf_event_read_value(struct perf_event *event,
1121 			       struct perf_event *event);
1124 				struct perf_event *event,
1127 extern int perf_event_overflow(struct perf_event *event,
1131 extern void perf_event_output_forward(struct perf_event *event,
1134 extern void perf_event_output_backward(struct perf_event *event,
1137 extern int perf_event_output(struct perf_event *event,
1142 is_default_overflow_handler(struct perf_event *event)  in is_default_overflow_handler()
1154 			   struct perf_event *event);
1156 perf_event__output_id_sample(struct perf_event *event,
1161 perf_log_lost_samples(struct perf_event *event, u64 lost);
1163 static inline bool event_has_any_exclude_flag(struct perf_event *event)  in event_has_any_exclude_flag()
1172 static inline bool is_sampling_event(struct perf_event *event)  in is_sampling_event()
1180 static inline int is_software_event(struct perf_event *event)  in is_software_event()
1188 static inline int in_software_context(struct perf_event *event)  in in_software_context()
1342 extern struct perf_callchain_entry *perf_callchain(struct perf_event *event, struct pt_regs *regs);
1432 extern void perf_bp_event(struct perf_event *event, void *data);
1443 static inline bool has_branch_stack(struct perf_event *event)  in has_branch_stack()
1448 static inline bool needs_branch_stack(struct perf_event *event)  in needs_branch_stack()
1453 static inline bool has_aux(struct perf_event *event)  in has_aux()
1458 static inline bool is_write_backward(struct perf_event *event)  in is_write_backward()
1463 static inline bool has_addr_filter(struct perf_event *event)  in has_addr_filter()
1472 perf_event_addr_filters(struct perf_event *event)  in perf_event_addr_filters()
1482 extern void perf_event_addr_filters_sync(struct perf_event *event);
1483 extern void perf_report_aux_output_id(struct perf_event *event, u64 hw_id);
1487 			     struct perf_event *event, unsigned int size);
1490 				     struct perf_event *event,
1494 				      struct perf_event *event,
1507 extern u64 perf_swevent_set_period(struct perf_event *event);
1508 extern void perf_event_enable(struct perf_event *event);
1509 extern void perf_event_disable(struct perf_event *event);
1510 extern void perf_event_disable_local(struct perf_event *event);
1511 extern void perf_event_disable_inatomic(struct perf_event *event);
1513 extern int perf_event_account_interrupt(struct perf_event *event);
1514 extern int perf_event_period(struct perf_event *event, u64 value);
1515 extern u64 perf_event_pause(struct perf_event *event, bool reset);
1519 		      struct perf_event *event)				{ return NULL; }  in perf_aux_output_begin()
1542 static inline const struct perf_event *perf_get_event(struct file *file)  in perf_get_event()
1546 static inline const struct perf_event_attr *perf_event_attrs(struct perf_event *event)  in perf_event_attrs()
1550 static inline int perf_event_read_local(struct perf_event *event, u64 *value,  in perf_event_read_local()
1558 static inline int perf_event_refresh(struct perf_event *event, int refresh)  in perf_event_refresh()
1566 perf_bp_event(struct perf_event *event, void *data)			{ }  in perf_bp_event()
1588 static inline u64 perf_swevent_set_period(struct perf_event *event)	{ return 0; }  in perf_swevent_set_period()
1589 static inline void perf_event_enable(struct perf_event *event)		{ }  in perf_event_enable()
1590 static inline void perf_event_disable(struct perf_event *event)		{ }  in perf_event_disable()
1593 static inline int perf_event_release_kernel(struct perf_event *event)	{ return 0; }  in perf_event_release_kernel()
1594 static inline int perf_event_period(struct perf_event *event, u64 value)  in perf_event_period()
1598 static inline u64 perf_event_pause(struct perf_event *event, bool reset)  in perf_event_pause()
1685 extern void __weak arch_perf_update_userpage(struct perf_event *event,
1722 static inline bool branch_sample_no_flags(const struct perf_event *event)  in branch_sample_no_flags()
1727 static inline bool branch_sample_no_cycles(const struct perf_event *event)  in branch_sample_no_cycles()
1732 static inline bool branch_sample_type(const struct perf_event *event)  in branch_sample_type()
1737 static inline bool branch_sample_hw_index(const struct perf_event *event)  in branch_sample_hw_index()
1742 static inline bool branch_sample_priv(const struct perf_event *event)  in branch_sample_priv()